Finding the Fourth Proportional to 52,464.04, 78,749.82 and 40,903.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,464.04 : 78,749.82 = 40,903.72 : x
2. Step 2: Convert to fraction form
   52,464.04/78,749.82 = 40,903.72/x
3. Step 3: Cross multiply
   52,464.04x = 78,749.82 × 40,903.72
4. Step 4: Simplify right side
   52,464.04x = 3,221,160,587.33
5. Step 5: Solve for x
   x = 3,221,160,587.33/52,464.04
6. Step 6: Final answer
   x = 61,397.49